CN211440986U

CN211440986U - Automatic loose core mould of valve gap

Info

Publication number: CN211440986U
Application number: CN201922348617.3U
Authority: CN
Inventors: 王希波; 王希宁; 傅德强; 郑磊; 王丰祝; 张小冬; 傅晓卫
Original assignee: Qingdao Wanshenghe Precision Casting Co ltd
Current assignee: Qingdao Wanshenghe Precision Casting Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-09-08
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses an automatic loose core mould of valve gap, including the die holder, the top correspondence of die holder is provided with the upper die base, the upper surface one side of die holder slides and is provided with and presss from both sides tight slider, the upper surface middle part rigidity of die holder is provided with the module, the fixed braking portion that is provided with in inside of die holder, the inside basal surface middle part position of braking portion rotates and is provided with a tooth section of thick bamboo, the rear side position meshing of a tooth section of thick bamboo sets up the surface at the pinion rack, the inside slip in one side of pinion rack is provided with the triangle-shaped slider, the upper end middle part rigidity of a tooth section of thick bamboo is provided with the stem, the stem runs through the upper surface. The utility model discloses in, be equipped with the jacking structure in the die holder, the jacking structure adopts single mechanical principle, reduces the cost of using hydraulic pressure or aerostatic press, closes the ejecting that realizes the core through last die holder, and when upper and lower mould was separately, under the spring action, the ejection core structure returns and contracts, realizes the automatic purpose of loosing core, realizes the automatic operation of loosing core.

Description

Automatic loose core mould of valve gap

Technical Field

The utility model relates to the field of dies, especially, relate to an automatic loose core mould of valve gap.

Background

The valve is an important subassembly in pipeline engineering, the current wax injection mould adopts manual die sinking, and be the structure of a cavity of mould, it is big to penetrate wax staff intensity of labour, low in production efficiency, the wax base that artifical manual production came out, there are flaws such as mantle and burr on the surface, need repair wax burring process, and traditional manual mould adopts aluminum alloy material preparation, the wearing and tearing that cause the mould easily and some damage condition of loosing core and slider in the manual die sinking process of loosing core, therefore manual mould has easy wearing and tearing, short service life, repair mould frequent and the high shortcoming of manufacturing cost of work.

The mould splitting operation of the existing injection mould is generally set to be hydraulic, the dynamic and static conditions are large, the use cost is high, the finished product is possibly damaged due to the fact that the power is too large, the core pulling operation is failed, the mould is single in structure, the phenomenon of burrs cannot be avoided, the time for removing the burrs is required, the workload is increased, the production efficiency is influenced, and the core pulling operation damage rate is high.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing an automatic loose core mould for a valve cover.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an automatic loose core mould of valve gap, includes the die holder, the top correspondence of die holder is provided with the upper die base, the upper surface one side of die holder slides and is provided with and presss from both sides tight slider, the upper surface middle part rigidity of die holder is provided with the module, the inside fixed braking portion that is provided with of die holder, the inside basal surface middle part position of braking portion rotates and is provided with a tooth section of thick bamboo, the rear side position meshing of a tooth section of thick bamboo sets up the surface at the pinion rack, the inside slip in one side of pinion rack is provided with the triangle-shaped slider, the upper end middle part rigidity of a tooth section of thick bamboo is provided with the stem, the stem runs through the upper surface of die holder, and the tip surface of stem is the same with module upper surface place face, the fixed block that.

As a further description of the above technical solution:

the die comprises a die holder and is characterized in that a clamping chute is fixedly arranged on one side of the upper surface of the die holder, clamping sliders are correspondingly and slidably connected inside the clamping chute, a reset structure is arranged between one ends of the clamping sliders and the clamping chute, two clamping sliders are respectively and slidably arranged on two sides of the upper surface of the die holder, and the clamping sliders on two sides are located on two sides of a position module in the middle of the upper surface of the die holder.

As a further description of the above technical solution:

the two fixing blocks are fixedly arranged on two sides of the lower surface of the upper die base, the two fixing blocks vertically correspond to the two clamping sliding blocks on the upper surface of the lower die base, and the distance between the two fixing blocks is smaller than the maximum distance between the two clamping sliding blocks.

As a further description of the above technical solution:

the brake device is characterized in that a screw cylinder is fixedly arranged in the middle of the bottom surface of the inner portion of the brake portion, a stud is rotatably connected to the inner portion of the screw cylinder, and the stud is correspondingly and fixedly connected to the middle of the lower surface of the brake portion.

As a further description of the above technical solution:

the fixed draw runner that is provided with of inside rear surface of braking portion, the pinion rack corresponds sliding connection on the surface of draw runner, the pinion rack deviates from the fixed spring that is provided with of connection triangle-shaped slider one end, and the other end fixed connection of spring is at the inside side surface of braking portion.

As a further description of the above technical solution:

the lower surface end position of the ejection column is fixedly arranged to be wedge-shaped, a first wedge-shaped sliding groove is fixedly arranged on one side of the inside of the triangular sliding block, and the ejection column penetrates through the upper surface of the lower die base and can be correspondingly in sliding butt joint with the first wedge-shaped sliding groove.

As a further description of the above technical solution:

the toothed plate is connected with the inner part of one end of the triangular sliding block and is fixedly provided with a second wedge-shaped sliding groove, and the second wedge-shaped sliding groove is arranged corresponding to the lower surface of the triangular sliding block.

As a further description of the above technical solution:

the toothed plate surface rack is short in length, the barrel body rack of the toothed barrel is long in length, and the toothed barrel and the toothed plate are always kept in a meshed state.

The utility model discloses following beneficial effect has:

1. the utility model discloses the inside fixed jacking structure that is provided with of structure die holder, jacking structure adopt single mechanical principle, reduce the use cost who uses hydraulic pressure or aerostatic press, close through upper and lower die holder and close the ejecting that realizes the core, when upper and lower mould is separately, under the effect of spring, the core structure of top returns and contracts, realizes the automatic purpose of loosing core, realizes the automatic operation of loosing core.

2. The utility model discloses fixed setting is by corresponding the slider between the die holder about the structure, and when the die holder was closed, can guarantee to annotate out the object surface and can not appear the burr phenomenon, reduces the operation flow, increases operation speed.

Drawings

FIG. 1 is a front view of an automatic core-pulling mold for a valve cover;

FIG. 2 is a schematic structural view of a lower die holder of the automatic core-pulling die for the valve cover;

FIG. 3 is a schematic structural view of a triangular slider of the automatic core-pulling mold for the valve cover;

fig. 4 is a schematic diagram of a toothed plate structure of an automatic core-pulling die for a valve cover.

Illustration of the drawings:

1. a lower die holder; 2. an upper die holder; 3. a fixed block; 4. clamping the sliding block; 5. a top pillar; 6. a brake section; 7. clamping the chute; 8. a screw cylinder; 9. a stud; 10. a gear cylinder; 11. a stem; 12. a toothed plate; 13. a triangular slider; 14. a slide bar; 15. a first wedge-shaped chute; 16. a second wedge-shaped chute; 17. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: an automatic core-pulling die for a valve cover comprises a lower die holder 1, an upper die holder 2 is correspondingly arranged above the lower die holder 1 to provide upper and lower clamping operation, a clamping slide block 4 is slidably arranged on one side of the upper surface of the lower die holder 1, a module is fixedly arranged on the middle of the upper surface of the lower die holder 1, a braking part 6 is fixedly arranged inside the lower die holder 1 to provide internal braking transmission operation, a tooth cylinder 10 is rotatably arranged on the middle of the inner bottom surface of the braking part 6, the rear side of the tooth cylinder 10 is engaged with the surface of a toothed plate 12, a triangular slide block 13 is slidably arranged on one side of the toothed plate 12, a core column 11 is fixedly arranged on the middle of the upper end of the tooth cylinder 10 to provide a die core, the core column 11 penetrates through the upper surface of the lower die holder 1, the end surface of the core column 11 is flush with the upper surface of the module, a fixing block 3 is fixedly arranged on one side of, corresponding to the triangular slider 13.

A clamping chute 7 is fixedly arranged on one side of the upper surface of the lower die holder 1, the clamping slide blocks 4 are correspondingly and slidably connected inside the clamping chute 7, a reset structure is arranged between one end of each clamping slide block 4 and the clamping chute 7 to ensure the reset operation of the clamping slide blocks 4, two clamping slide blocks 4 are respectively and slidably arranged on two sides of the upper surface of the lower die holder 1, the clamping slide blocks 4 on two sides are positioned on two sides of a middle position module of the upper surface of the lower die holder 1, two fixing blocks 3 are fixedly arranged on two sides of the lower surface of the upper die holder 2, the two fixing blocks 3 correspond to the two clamping slide blocks 4 on the upper surface of the lower die holder 1 up and down, the distance between the two fixing blocks 3 is smaller than the maximum distance between the two clamping slide blocks 4 to ensure the normal action of the slide blocks, a screw barrel 8 is fixedly arranged, the rotary up-and-down movement is realized, the stud 9 is correspondingly and fixedly connected to the middle position of the lower surface of the braking portion 6, the sliding strip 14 is fixedly arranged on the rear inner surface of the braking portion 6, the toothed plate 12 is correspondingly and slidably connected to the surface of the sliding strip 14, the spring 17 is fixedly arranged at one end of the toothed plate 12, which is far away from the triangular sliding block 13, so as to provide the reset operation, the other end of the spring 17 is fixedly connected to the inner side surface of the braking portion 6, the end position of the lower surface of the top column 5 is fixedly arranged in a wedge shape, so as to realize the up-and-down sliding butt joint, the first wedge-shaped sliding groove 15 is fixedly arranged at one side inside the triangular sliding block 13, the top column 5 can correspondingly and slidably butt joint with the first wedge-shaped sliding groove 15 by penetrating through the upper surface of the lower die holder, the rack on the surface of the toothed plate 12 is short, the rack length of the barrel body of the toothed barrel 10 is long, the phenomenon of tooth disengagement caused by up-down movement is avoided, and the toothed barrel 10 and the toothed plate 12 are always kept in a meshed state.

The working principle is as follows: when carrying out valve gap mould and using, through the combination of upper die base 2 and die holder 1, the tight slider 4 of clamp on die holder 1 upper portion is under the effect of fixed block 3, realize pressing from both sides tight operation, the fore-set 5 on upper portion is inserted to the inside of die holder 1 and the upper surface contact of triangle-shaped slider 13 and is made triangle-shaped slider 13 move left, thereby drive the pinion rack 12 of bottom and remove, and then tooth section of thick bamboo 10 rotates, under the effect of barrel 8 and double-screw bolt 9, make tooth section of thick bamboo 10 drive stem 11 and upwards remove, thereby realize supplying the core, when the upper and lower die base is separately, pinion rack 12 realizes resetting under the effect of spring 17, thereby realize that stem 11 moves down, realize the operation of loosing core automatically, a step operation is accomplished.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an automatic loose core mould of valve gap, includes die holder (1), its characterized in that: the die comprises a die holder (1), an upper die holder (2) is correspondingly arranged above the die holder (1), a clamping slide block (4) is arranged on one side of the upper surface of the die holder (1) in a sliding manner, a module is fixedly arranged on the middle of the upper surface of the die holder (1), a braking part (6) is fixedly arranged inside the die holder (1), a tooth cylinder (10) is rotatably arranged on the middle of the inner bottom surface of the braking part (6), the rear side of the tooth cylinder (10) is meshed with the surface of a toothed plate (12), a triangular slide block (13) is arranged on one side of the toothed plate (12) in an internal sliding manner, a core column (11) is fixedly arranged on the middle of the upper end of the tooth cylinder (10), the core column (11) penetrates through the upper surface of the die holder (1), the end surface of the core column (11) is the same as the surface of the upper surface of the module, a fixing block (3) is, and a top column (5) is fixedly arranged on one side of the lower surface of the upper die holder (2).

2. The automatic loose core die for the valve cover according to claim 1, characterized in that: the die holder is characterized in that a clamping sliding groove (7) is fixedly arranged on one side of the upper surface of the die holder (1), the clamping sliding block (4) corresponds to the sliding connection in the clamping sliding groove (7), a reset structure is arranged between one end of the clamping sliding block (4) and the clamping sliding groove (7), two clamping sliding blocks (4) are arranged on two sides of the upper surface of the die holder (1) in a sliding mode respectively, and the clamping sliding blocks (4) on two sides are located on two sides of an upper surface middle position module of the die holder (1).

3. The automatic loose core die for the valve cover according to claim 1, characterized in that: the two fixing blocks (3) are fixedly arranged on two sides of the lower surface of the upper die base (2), the two fixing blocks (3) vertically correspond to the two clamping sliding blocks (4) on the upper surface of the lower die base (1), and the distance between the two fixing blocks (3) is smaller than the maximum distance between the two clamping sliding blocks (4).

4. The automatic loose core die for the valve cover according to claim 1, characterized in that: the brake device is characterized in that a screw cylinder (8) is fixedly arranged in the middle of the bottom surface of the inner portion of the brake portion (6), a stud (9) is rotatably connected to the inner portion of the screw cylinder (8), and the stud (9) is correspondingly and fixedly connected to the middle of the lower surface of the brake portion (6).

5. The automatic loose core die for the valve cover according to claim 1, characterized in that: the fixed draw runner (14) that is provided with of inside rear surface of braking portion (6), pinion rack (12) correspond sliding connection and are on the surface of draw runner (14), pinion rack (12) deviate from and connect triangle-shaped slider (13) one end and fix and be provided with spring (17), and the other end fixed connection of spring (17) is at the inside lateral surface of braking portion (6).

6. The automatic loose core die for the valve cover according to claim 1, characterized in that: the lower surface end position of the ejection column (5) is fixedly arranged to be wedge-shaped, a first wedge-shaped sliding groove (15) is fixedly arranged on one side of the inside of the triangular sliding block (13), and the ejection column (5) penetrates through the upper surface of the lower die holder (1) and can be correspondingly in sliding butt joint with the first wedge-shaped sliding groove (15).

7. The automatic loose core die for the valve cover according to claim 1, characterized in that: the toothed plate (12) is connected with a second wedge-shaped sliding groove (16) fixedly arranged inside one end of the triangular sliding block (13), and the second wedge-shaped sliding groove (16) is arranged corresponding to the lower surface of the triangular sliding block (13).

8. The automatic loose core die for the valve cover according to claim 1, characterized in that: the rack on the surface of the toothed plate (12) is short, the rack length of the cylinder body of the toothed cylinder (10) is long, and the toothed cylinder (10) and the toothed plate (12) are always kept in a meshed state.